3 tons wrote:
How are you measuring the voltage, via victron meter??...Have you installed a shunt (in neg cable), and if so is it wired correctly??
On edit I believe your battery is toast... The auto parts store can do a carbon pile-load test to verify...
I have two ways to measure the voltage: a multimeter and a Victron battery monitor shunt. I'm pretty sure the shunt is installed correctly, as I've been using it for a week with no issues (before attempting to install this inverter/charger).
I believe the battery is still good. When I disconnect the inverter/charger, the battery returns to the normal 13 volts and powers all my DC loads perfectly. Alternatively, if I disconnect the DC loads and connect ONLY the inverter/charger to the battery, the inverter/charger powers on and shows 120V across its AC out.
So in summary, I really think the components are working fine, but there's some sort of issue happening between the inverter/charger and the DC load circuit, perhaps something related to common grounds.
